Question about Vizio Televison & Video
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Posted on Jan 02, 2017
Check ur power source with other devices?Yes.Than,the power supply board it dead.That the board,where the power a/c cord plug into it.Try website like Ebay.com to buy a refurbish power supply board for the replacement.
Posted on Oct 23, 2010
Hi the first thing I would ask is are you sure that power supply that you bought is good? If you are sure your power supply I would check the power filter that connects the power cord to the power supply to make sure there is voltage getting to your power supply. If that checks out the only other thing to check is the signal board. You can check to see if there is power getting to your signal board if there is then it's provably your signal board. You can find parts for that TV at http://www.interliquidparts.com/products-page?product_search=vp322&view_type=default
Posted on Jun 02, 2011
SOURCE: Power supply in my Sharp
The common failure in the power supply is due to cheap low quality capacitors, the replacement that was install probably has the same quality cap. I only use good cap from PANASONIC for my repair works.
The moudle is easy to replace, just remove the TV stand, all the back screws, and may be 4~6 screws for the power supply, it uses connectors so yoiu can easily remove them, just take good pictures before working on it so you will know how it goes back together.
You can try getting the module from www.shopjimmy.com, he is my main supplier for boards.
Just make sure to get the number as printed on the sticker of the power supply to get exact match, you can also contact him if you are not sure.
Here is the service manual: http://elektrotanya.com/sharp_lc-32_37d43u.pdf/download.html
Basic LCD monitor and TV troubleshooting guide:
Failed TV and Monitors pictures: http://s807.photobucket.com/albums/yy352/budm
Learn about bad caps: http://en.wikipedia.org/wiki/Capacitor_plague
Capacitors kit: http://lcdalternatives.auctivacommerce.com/Default.aspx he can make you a set of caps.
Or www.digikey.com, just make sure to use caps with low ESR, 105c, high ripple current and long life rating such as PANASONIC FM or FC series
Posted on Jun 14, 2011
SOURCE: My Vizio Tv won't turn on
The power supply regulator board shouldbe ckecked for fault. Check the fuse. If it is found burned out, find the reson for that. Surely there will be a reson for blowing of the fuse, if it is blown up. Without rectfying it, inserting an other fuse in place, might make things more worse.
Posted on Apr 26, 2012
Just had one in the shop. It was bad solder joints on one of the resistor packs near the main IC. These packs don't have legs and don't touch the pads. So it is easy to have a bad connection.
Try resoldering all the r-paks on both sides of the board near that main IC. Good luck!
Posted on Dec 25, 2012
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